/**
 * #      823
 * 名称   带因子的二叉树
 * 链接   https://leetcode-cn.com/problems/binary-trees-with-factors
 * 题解   [37](https://leetcode-cn.com/problems/binary-trees-with-factors/solution)
 * 通过率 42.3%
 * 难道   中等
 */

